Which of the following statements describe the extraction of coal?
A
A survey is done to identify regions of coal.
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B
The region is dug to form a mine.
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C
The coal is blasted using dynamite.
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D
None of the above.
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Solution
The correct options are A A survey is done to identify regions of coal. B The region is dug to form a mine. C The coal is blasted using dynamite. Coal is extracted after surveying an area for coal and digging a mine after coal is found. The coal is then blasted out of the mine using dynamite. The scattered coal is collected and then transported.